byWhitney, Scott D; Blodgett, K D; Sparks, Richard E; ILLINOIS NATURAL HISTORY SURVEY HAVANARIVER RESEARCH LAB
Unionid mussels were collected by quadrat sampling at three mussel beds in Reach is of the Upper Mississippi River (UMR) between July 1994 and September 1995. A total of 7,107 unionids were collected representing 26 species, including the federally endangered Lampsilis higginsi, state endangered Plethohosus cyphyus and Cumberlandia monodonta, and state threatened Ellipsaria lineolata. Mean densities at our study sites ranged from 53,4 to 118.3 mussels/m2. Comparisons with data collected at... Topics: Biology, Ecology, Mussels, Ecology, Data processing, Density, Management, Monitoring, Recruiting,...